PowerShell AMSI Bypass Attempt via Known Patch Strings

Ankit Mehta@Secvyn

•updated Jun 27, 2026•0•0•2

Detects attempts to bypass the Antimalware Scan Interface (AMSI) in PowerShell by searching for common memory patching techniques, such as modifying AmsiUtils, AmsiScanBuffer, or related reflection-based obfuscation in process command lines.